So far looking good. There is some slight discoloration I've noticed. I'm not too sure if it's potassium deficiency I've been reading L.E.D cause potassium deficiency.
I'm pretty much new to growing. I have not grown in about 15yrs when I was a kid and just recently decided to give it a try. I'm growing in coco and buffered my coco and took the step to prep it. I noticed some discoloration in my plant not sure if it's potassium deficiency.
Propably magnesium. If you can foliar spray her for 5 days with epsom salt. 1 tsp for a liter of solution. This will help you to identify if its really a magnesium defficiency before changing her nutes in the water.
Also idk if you are watering correctly since these signs could also be because of a root problem, like too much water / too little oxygen, a too small container or bugs lile fungus nets.
I'd say more so magnesium vs potassium.
Check out this leaf chart to help pinpoint issues.
https://420life.com/wp-content/uploads/2021/10/Marijuana-Leaf-Deficiency-Chart-scaled.jpg
Good advice about checking out CaMg, just Mg can use epsom salts, as I don't see any issues with Calcium.
Good Luck!
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